1.10.10
1.10.1040
1.10.150
1.10.220

##</code><code>##

1.10.10.640
1.10.10.650
1.10.10.660
1.10.1040.20
1.10.150.290
1.10.150.300
1.10.150.310
1.10.220.80
##</code><code>##

1.10.10 3
1.10.1040 1
1.10.150 3
1.10.220 1

##</code><code>##

use strict;

my $file1 = shift;

my $file2 = shift;

open(FILE1, $file1) or die "Cant open $file1:$!\n";

open(FILE2, $file2) or die "Cant open $file2:$!\n";

my @file1 =<FILE1>;

my @file2 =<FILE2>;

#print @file1;
#print @file2;

for(my $i=0; $i<@file1; $i++)
{
    chop($file1[$i]);
    #print "F $file1[$i]";

    for(my $j=0; $j<@file2; $j++)
    {
	chop($file2[$j]);

	my @array = split(/\./, $file2[$j]);

	my $cat = "$array[0]" . "." . "$array[1]" . "." . "$array[2]";

	if("$file1[$i]" eq "$cat")
	{
	    print "$file1[$i] $cat\n";
	}
	
    }
}